#377FE2#377FE2
#377FE2 is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 60.2% C 0.167 H 257.3°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #377FE2 |
|---|---|
| RGB | rgb(55, 127, 226) |
| HSL | hsl(215, 75%, 55%) |
| HSV | hsv(215, 76%, 89%) |
| CMYK | cmyk(75.7%, 43.8%, 0%, 11.4%) |
| CIE-LAB | lab(53.47, 11.63, -56.76) |
| CIE-LCH | lch(53.47, 57.94, 281.58°) |
| OKLab | oklab(60.22% -0.0367 -0.1626) |
| OKLCH | oklch(60.22% 0.167 257.3) |
| XYZ | xyz(22.8873, 21.4793, 74.8764) |
| Luminance | 0.2148 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure
#007FFF
ΔE00 2.59
Clear Blue
#247AFD
ΔE00 3.23
Dodger Blue
#3E82FC
ΔE00 3.54
Deep Sky Blue
#0D75F8
ΔE00 3.87
Lightish Blue
#3D7AFD
ΔE00 4.40
Windows Blue
#3778BF
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#377FE2 #E29A37
analogous
#37D4E2 #377FE2 #4537E2
triadic
#377FE2 #E2377F #7FE237
tetradic
#377FE2 #E237D4 #E29A37 #37E245
square
#377FE2 #E237D4 #E29A37 #37E245
split-complementary
#377FE2 #E24537 #D4E237
monochromatic
#14468B #1C61C0 #377FE2 #6CA1EA #A2C3F2
Accessibility & contrast
On white
3.96
#377FE2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.30
#377FE2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #377FE2
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##377FE2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##377FE2 | 1.00 | 3.96 | 5.30 | 5.30 |
| #FFFFFF | 3.96 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.30 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.30 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D88E6
Deuteranopia (green-blind)
#2A78E0
Tritanopia (blue-blind)
#0096A5
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #377fe2; /* rgb */ color: rgb(55, 127, 226); /* oklch */ color: oklch(60.2% 0.167 257.3);
Tailwind
colors: {
custom: {
50: '#85a3ec',
500: '#377fe2',
950: '#000000',
},
}SCSS
$custom: #377fe2; $custom-light: #85a3ec; $custom-dark: #000000;
JSON
{
"hex": "#377fe2",
"rgb": {
"r": 55,
"g": 127,
"b": 226
},
"hsl": {
"h": 214.737,
"s": 74.672,
"l": 55.098
},
"oklch": {
"l": 0.60218,
"c": 0.1667,
"h": 257.3
},
"luminance": 0.21482
}Semantic roles & 50–950 ramp
primary
#377FE2
secondary
#DEC097
accent
#A337F1
background
#F8FAFE
surface
#F0F3FD
border
#CBCDD5
text
#0D0F16
muted
#7D7F84